The method drills at least one secondary wellbore using a directional drill.

The invention is applicable to controlled drilling devices (oil industry, civil engineering)

Therefore, one and the same drill tube may be used for upwardly directed as well as downwardly directed drilling.

Improving guided drilling, with 3D imaging of the subsoil around the drill tip,

But for this a conducive environment was necessary.

The drive between the rotors (16, 18) and the bit can accommodate angular offset of a predetermined amount for directional drilling.

A bottom-hole assembly for directional drilling incorporates a torque generator with a drive shaft connected to a drill string.

A borehole is formed between roadways in the ore formation using the directional drill bit, and then the end of the drill string is equipped with a jetting nozzle.

To cut across the ring road, the technique of directional drilling was used.

The company is a developer and manufacturer of complex directional drilling (RPS) Target.

The design of the Vermeer R250C reclaimer helps to reduce the costs to c..

An apparatus and method is disclosed for measuring ultrasound drilling mud velocity downhole in real time.

A mining system for extracting ore using directional drilling techniques to obtain access to the orebody.

First DN 1200 (48’’) pipeline installed by Horizontal Directional Drilling (Gasunie – Canal Noord Holland, Netherlands – 1991)

Directional drilling will be used regularly, to avoid completely blocking all traffic.